ArticleBiological trace element research2025
The Role of SIRT1-BDNF Signaling Pathway in Fluoride-Induced Toxicity for Glial BV-2 Cells.
Article in Biological trace element research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Fluoride Damages the Ovary by Inhibiting LKB1-AMPK Signaling to Promote Mitochondrial Injury-Induced Inflammation and Oxidative Stress.Biological trace element research · 2026Article
- Asparagus Saponin Officinalisnin-II Alleviates Fluoride-Induced Neurotoxicity Via Activation of the SIRT1/BDNF Signaling Pathway.Biological trace element research · 2026Article
- Benchmark Approach to Unravel Fluoride Toxicity: Liver and Kidney Disruptions in Subacutely Exposed Rats.Journal of xenobiotics · 2026Article
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Authors and funding
12 authors.
Funding
Abstract
Chronic fluorosis is often accompanied by neurological symptoms, leading to attention, memory and learning ability decline and causing tension, anxiety, depression, and other mental symptoms. In the present study, we analyzed the molecular mechanisms of SIRT1-BDNF regulation of PI3K-AKT, MAPK, and FOXO1A in F-treated BV2 cells. The cytotoxic effect of sodium fluoride (NaF) on BV2 cells was assessed using Cell Counting Kit-8 (CCK-8), crystal violet, and 5-ethynyl-2'-deoxyuridine (EdU) staining. Cell cycle progression and apoptosis were evaluated through flow cytometry and western blotting. Reactive oxygen species (ROS) levels, oxidative stress, and inflammatory markers were measured by ROS staining, microplate reader assays, and western blotting. The role of SIRT1 in fluoride-induced toxicity for glial cells was determined using the SIRT1 activator SRT1720. The experiments demonstrated that NaF was toxic to BV2 cells, inhibited their proliferative ability, halted their cell cycle progression, triggered cellular apoptosis, promoted cellular oxidative stress (detected by ROS, SOD, MDA, GSH-Px, T-AOC) and associated protein NQO-1 and HO-1, and elevated inflammatory mediator associated protein IL-1and IL-6 expression). The fluoride-exposed groups had reduced SIRT1, BDNF, TrkB, PI3K, AKT, and MAPK protein expression levels, and increased FOXO1A protein expression. SRT1720 mitigated the harmful effects of NaF, stimulated cell proliferation and cell cycle progression, decreased apoptosis, reduced oxidative stress and inflammatory factors, elevated SIRT1, BDNF, TrkB, PI3K, AKT, and MAPK protein levels, and suppressed FOXO1A protein expression. The results indicate that NaF potentially harms glial cells by suppressing SIRT1 activation, and SIRT1 significantly mitigated the damage. Furthermore, the SIRT1 signaling pathway might regulate the nerve damage caused by fluoride poisoning and may be a protective factor in treating fluoride-induced brain injury.
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